CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 36148 | LVS EN 14407:2014 | Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakes | Standarts spēkā |
| 73093 | LVS EN ISO 10304-4:2022 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:2022) | Standarts spēkā |
| 37215 | LVS EN ISO 10710:2013 | Water quality - Growth inhibition test with the marine and brackish water macroalga Ceramium tenuicorne (ISO 10710:2010) | Standarts spēkā |
| 11015 | LVS EN ISO 6468:1996 | Water quality - Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorrobenzenes - Gas chromatographic method after liquid-liquid extraction | Standarts spēkā |
| 11046 | LVS EN ISO 9308-3:1998 A | Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (Most probable number) by inoculation in liquid medium | Standarts spēkā |
| 34747 | LVS EN 16694:2016 | Water quality - Determination of selected polybrominated diphenly ether (PBDE) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography - mass spectrometry (GC-MS) | Standarts spēkā |
| 11095 | LVS EN 14486:2005 | Water quality - Detection of human enteroviruses by monolayer plaque assay | Standarts spēkā |
| 11058 | LVS EN ISO 8689-2:2001 A | Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates | Standarts spēkā |
| 79410 | EN 15843:2025 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Standarts spēkā |
| 11014 | LVS EN ISO 5961:2000 A | Water quality - Determination of cadmium by atomic absorbtion spectrometry | Standarts spēkā |
Displaying 221-230 of 832 results.